linux-kernel - Re: [PATCH] include children count, in Threads: field present in /proc/<pid>/status (take-3)

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Message-ID: <Pine.LNX.4.61.0609301908460.4615@yvahk01.tjqt.qr>
Date:	Sat, 30 Sep 2006 19:11:33 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	girish <girishvg@...il.com>
cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, William Pitcock <nenolod@...eme.org>
Subject: Re: [PATCH] include children count, in Threads: field present in
 /proc/<pid>/status (take-3)

>
>  PID COMMAND      %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD  RSIZE  VSIZE
> 22429 top         16.6%  0:21.12   1    18    20  1.35M   684K  1.77M  26.9M
> ------------------------------------------------------------------------
> --------------------------------------------------------
>
> Comments/opinions?

I fail to see which column you mean.

#TH perhaps? I think, that can be calculated under linux by

 (a) counting the directories in /proc/22429/task using readdir
or
 (b) get the nlink of /proc/22429/task and subtract 2, which should give 
     the same as (a), and, better than (a), should also be atomic


Jan Engelhardt
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